CVE-2019-1888 Cisco Unified Contact Center Express Privilege Escalation Vulnerability
Authenticated administrators can upload arbitrary files to execute commands and escalate privileges to root on Cisco Unified Contact Center Express.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-1888?
CVE-2019-1888 is a high-severity vulnerability in Cisco Unified Contact Center Express, published on 23 Sep 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
A vulnerability in the Administration Web Interface of Cisco Unified Contact Center Express (Unified CCX) could allow an authenticated, remote attacker to upload arbitrary files and execute commands on the underlying operating system. To exploit this vulnerability, an attacker needs valid Administrator credentials. The vulnerability is due to insufficient restrictions for the content uploaded to an affected system. An attacker could exploit this vulnerability by uploading arbitrary files containing operating system commands that will be executed by an affected system. A successful exploit could allow the attacker to execute arbitrary commands with the privileges of the web interface and then elevate their privileges to root.
Weakness: CWE-434
Which versions are affected by CVE-2019-1888?
It affects 2 products.
Products include Cisco Unified Contact Center Express, Cisco Unified Ip Interactive Voice Response.
How do I fix CVE-2019-1888?
No fix has been published for CVE-2019-1888 yet. Limit exposure of the affected software until one is available.
Is CVE-2019-1888 being exploited?
There is no known exploitation of CVE-2019-1888 in the wild and no public exploit code.
Other vulnerabilities in Cisco Unified Contact Center Express
- CVE-2025-20354 Cisco Unified Contact Center Express Remote Code Execution Vulnerability
- CVE-2020-3280 Cisco Unified Contact Center Express Remote Code Execution Vulnerability
- CVE-2018-0403 Information disclosure in Cisco Unified Contact Center Express unknown
- CVE-2022-20658 Privilege escalation in Cisco Unified Contact Center Domain Manager
- CVE-2025-20358 Cisco Unified Contact Center Express Editor Authentication Bypass Vulnerability
Sources
Also known as GHSA-93x8-xp39-6r6f.